Although the author is a libertarian, I don't think his views express what libertarians in general think about it. Libertarians recognize property rights and t

Although the author is a libertarian, I don't think his views express what libertarians in general think about it. Libertarians recognize property rights and that property owners should be able to prevent people from "immigrating" to their property. In practice that could materialize in a number of different laws and costumes, depending on the culture and society. How that should work in the context of State regulation is a problem for which libertarianism has no solution.